51.67% is the change from 449 to 681
Calculation steps:
[( 681 - 449 ) ÷ 449] x 100 = 51.67%
Formula
Percentage change = [(681 - 449) / 449] x 100
Subtract the new number by the original number
681 - 449 = 232
232 ÷ 449 = 0.5167037861915368
0.5167037861915368 x 100 = 51.67%